7 Fitness Trainers Behind Your Favorite Celeb Bodies

If you've ever wondered who's behind the infamously and enviably sculpted bodies of Candice Swanepoel or Heidi Klum, you're not alone. Fitness gurus like David Kirsch and Tracy Anderson are known for creating customized workout programs for the models and celebrities gracing the covers of Vogue or Sports Illusrated. Click through to get the scoop on 7 celebrity trainers!